import math
def koch(n, p1, p2):
    if n == 0:
        return
    sx = (2*p1[0]+p2[0])/3
    sy = (2*p1[1]+p2[1])/3
    s = (sx, sy)
    tx = (p1[0]+2*p2[0])/3
    ty = (p1[1]+2*p2[1])/3
    t = (tx, ty)
    ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx
    uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy
    u = (ux, uy)
    koch(n-1, p1, s)
    print(s[0], s[1])
    koch(n-1, s, u)
    print(u[0], u[1])
    koch(n-1, u, t)
    print(t[0], t[1])
    koch(n-1, t, p2)
n = int(input())
p1 = (0, 0)
p2 = (100, 0)
print(0, 0)
koch(n, p1, p2)
print(100, 0) import math math def koch(n, p1, p2):
    if n == 0:
        return
    sx = (2*p1[0]+p2[0])/3
    sy = (2*p1[1]+p2[1])/3
    s = (sx, sy)
    tx = (p1[0]+2*p2[0])/3
    ty = (p1[1]+2*p2[1])/3
    t = (tx, ty)
    ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx
    uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy
    u = (ux, uy)
    koch(n-1, p1, s)
    print(s[0], s[1])
    koch(n-1, s, u)
    print(u[0], u[1])
    koch(n-1, u, t)
    print(t[0], t[1])
    koch(n-1, t, p2) koch if n == 0:
        return
     n == 0 n 0 return sx = (2*p1[0]+p2[0])/3 sx (2*p1[0]+p2[0])/3 2*p1[0]+p2[0] 2*p1[0] 2 p1[0] p1 0 p2[0] p2 0 3 sy = (2*p1[1]+p2[1])/3 sy (2*p1[1]+p2[1])/3 2*p1[1]+p2[1] 2*p1[1] 2 p1[1] p1 1 p2[1] p2 1 3 s = (sx, sy) s (sx, sy) sx sy tx = (p1[0]+2*p2[0])/3 tx (p1[0]+2*p2[0])/3 p1[0]+2*p2[0] p1[0] p1 0 2*p2[0] 2 p2[0] p2 0 3 ty = (p1[1]+2*p2[1])/3 ty (p1[1]+2*p2[1])/3 p1[1]+2*p2[1] p1[1] p1 1 2*p2[1] 2 p2[1] p2 1 3 t = (tx, ty) t (tx, ty) tx ty ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx ux (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) (tx-sx)*math.cos(math.pi/3) tx-sx tx sx math.cos(math.pi/3) math.cos math cos math.pi/3 math.pi math pi 3 (ty-sy)*math.sin(math.pi/3) ty-sy ty sy math.sin(math.pi/3) math.sin math sin math.pi/3 math.pi math pi 3 sx uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy uy (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) (tx-sx)*math.sin(math.pi/3) tx-sx tx sx math.sin(math.pi/3) math.sin math sin math.pi/3 math.pi math pi 3 (ty-sy)*math.cos(math.pi/3) ty-sy ty sy math.cos(math.pi/3) math.cos math cos math.pi/3 math.pi math pi 3 sy u = (ux, uy) u (ux, uy) ux uy koch(n-1, p1, s) koch n-1 n 1 p1 s print(s[0], s[1]) print s[0] s 0 s[1] s 1 koch(n-1, s, u) koch n-1 n 1 s u print(u[0], u[1]) print u[0] u 0 u[1] u 1 koch(n-1, u, t) koch n-1 n 1 u t print(t[0], t[1]) print t[0] t 0 t[1] t 1 koch(n-1, t, p2) koch n-1 n 1 t p2 n n p1 p1 p2 p2 n = int(input()) n int(input()) int input() input p1 = (0, 0) p1 (0, 0) 0 0 p2 = (100, 0) p2 (100, 0) 100 0 print(0, 0) print 0 0 koch(n, p1, p2) koch n p1 p2 print(100, 0) print 100 0 p1 = (0, 0) (0, 0) p1 p2 = (100, 0) (100, 0) p2 def koch(n, p1, p2):
    if n == 0:
        return
    sx = (2*p1[0]+p2[0])/3
    sy = (2*p1[1]+p2[1])/3
    s = (sx, sy)
    tx = (p1[0]+2*p2[0])/3
    ty = (p1[1]+2*p2[1])/3
    t = (tx, ty)
    ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx
    uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy
    u = (ux, uy)
    koch(n-1, p1, s)
    print(s[0], s[1])
    koch(n-1, s, u)
    print(u[0], u[1])
    koch(n-1, u, t)
    print(t[0], t[1])
    koch(n-1, t, p2) def koch(n, p1, p2):
    if n == 0:
        return
    sx = (2*p1[0]+p2[0])/3
    sy = (2*p1[1]+p2[1])/3
    s = (sx, sy)
    tx = (p1[0]+2*p2[0])/3
    ty = (p1[1]+2*p2[1])/3
    t = (tx, ty)
    ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx
    uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy
    u = (ux, uy)
    koch(n-1, p1, s)
    print(s[0], s[1])
    koch(n-1, s, u)
    print(u[0], u[1])
    koch(n-1, u, t)
    print(t[0], t[1])
    koch(n-1, t, p2) koch n = int(input()) int(input()) n
import math
def koch(n, p1, p2):
    if n == 0:
        return
    sx = (2*p1[0]+p2[0])/3
    sy = (2*p1[1]+p2[1])/3
    s = (sx, sy)
    tx = (p1[0]+2*p2[0])/3
    ty = (p1[1]+2*p2[1])/3
    t = (tx, ty)
    ux = (tx-sx)*math.cos(math.pi/3) - (ty-sy)*math.sin(math.pi/3) + sx
    uy = (tx-sx)*math.sin(math.pi/3) + (ty-sy)*math.cos(math.pi/3) + sy
    u = (ux, uy)
    koch(n-1, p1, s)
    print(s[0], s[1])
    koch(n-1, s, u)
    print(u[0], u[1])
    koch(n-1, u, t)
    print(t[0], t[1])
    koch(n-1, t, p2)
n = int(input())
p1 = (0, 0)
p2 = (100, 0)
print(0, 0)
koch(n, p1, p2)
print(100, 0)
